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re: Hurricane Irma - Spinning Down

Posted on 9/7/17 at 6:06 am to
Posted by TigerStripes06
SWLA
Member since Sep 2006
30032 posts
Posted on 9/7/17 at 6:06 am to
Expand the region to the North Atlantic and watch the latest run of the gfs all the way through.

Trigger warning.
This post was edited on 9/7/17 at 6:07 am
Posted by BigHoss
Offshore
Member since Apr 2010
3366 posts
Posted on 9/7/17 at 6:11 am to
Great. Now the US has to rebuild Puerto Rico only to be told to frick off ht the natives
Posted by ForeverLSU02
Albany
Member since Jun 2007
52560 posts
Posted on 9/7/17 at 6:12 am to
Euro has Jose looping back south in 10 days

Posted by CptBengal
BR Baby
Member since Dec 2007
71661 posts
Posted on 9/7/17 at 6:21 am to
quote:

Run a little non-linear mixed model action with an exponential distribution



Nah man.

GAM that with an Exponential distribution and let the data fit the curves functiin. Gonna burn some extra DF, but shouldn't be a problem.
Posted by 50_Tiger
Arlington TX
Member since Jan 2016
43444 posts
Posted on 9/7/17 at 6:29 am to
Morning all. Seems the models are starting to agree on everything.

All you Tigers that live in South Florida don't ride this shite out baws.
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/7/17 at 6:33 am to
quote:

Euro has Jose looping back south in 10 days


Jose may turn out to be quite the little bitch when it's all said and done.
Posted by GetCocky11
Calgary, AB
Member since Oct 2012
53509 posts
Posted on 9/7/17 at 6:37 am to
quote:

Storm would probably weaken like Matthew though riding the coast like that and probably only a Cat 1 maybe Cat 2 before reaching SC/GA.


I wouldn't count on that.

Matthew was already weaker than Irma is now at this point and proximity to the US.

But I'd happily take a Cat 2 if SC/GA must take a landfall.
This post was edited on 9/7/17 at 6:39 am
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/7/17 at 6:41 am to
The Euro is super impressive.

7 days ago, this is where it thought Irma would be @ 00z on Sunday:




Today this is where it thinks Irma will be @ 00z on Sunday:



Posted by GetCocky11
Calgary, AB
Member since Oct 2012
53509 posts
Posted on 9/7/17 at 6:44 am to
Should we just ignore the pressure projections on these models though? The Euro has Irma at 962mb in 24 hours. That just doesn't seem right.
Posted by MrSmith
Member since Sep 2009
8319 posts
Posted on 9/7/17 at 6:45 am to
Intensity projections are a whole different animal
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/7/17 at 6:46 am to
921mb confirmed by dropsonde on the last recon pass.
Posted by crispyUGA
Upstate SC
Member since Feb 2011
16266 posts
Posted on 9/7/17 at 6:47 am to
The latest NHC model looks like it should still be pretty strong when it makes landfall just over the SC/GA border. Still has it as a weak hurricane somewhere between Walterboro and Orangeburg.
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/7/17 at 6:49 am to
quote:

Should we just ignore the pressure projections on these models though? The Euro has Irma at 962mb in 24 hours. That just doesn't seem right.




I think the GFS has some sort of auto-initialization that requires it to show the correct pressure of a storm when it starts, but the Euro doesn't have that. It initializes Irma with a pressure of 955, for example, when the pressure is actually 921mb. I'm not sure why the pressures are so off with the Euro - perhaps rds can clear that up.
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/7/17 at 6:55 am to
quote:

Levi Cowan? @TropicalTidbits 3m3 minutes ago
More
Hurricane #Irma is passing close to Hispaniola. Downsloping inflow off the tall mountains could disrupt the inner core some over next 24hr.
Posted by VABuckeye
NOVA
Member since Dec 2007
38283 posts
Posted on 9/7/17 at 6:56 am to
I just hope that TCI doesn't get that 15-20 foot storm surge. Those islands are so flat.
Posted by East Coast Band
Member since Nov 2010
66950 posts
Posted on 9/7/17 at 6:58 am to
And that chart just misses the Atlanta and Charlotte metro areas
Posted by FairhopeTider
Fairhope, Alabama
Member since May 2012
22764 posts
Posted on 9/7/17 at 7:00 am to
So now Jose could also hit South Florida?
Posted by East Coast Band
Member since Nov 2010
66950 posts
Posted on 9/7/17 at 7:03 am to
quote:

Still has it as a weak hurricane somewhere between Walterboro and Orangeburg.

One thing I've noticed over the years is *typically* the NHC has overstated the strength of the hurricane (wind component only) the further inland it goes. For example, when Katrina came ashore in 05, it was estimated to still be a hurricane in Tuscaloosa. However, we only experienced gusts up to the 50 to 60 mph range, barely TS levels.
Now, of course, there are still tornado threats, flooding threats, etc. so never let your guard down.
Posted by GetCocky11
Calgary, AB
Member since Oct 2012
53509 posts
Posted on 9/7/17 at 7:08 am to
If the storm is moving fast enough, I suppose it is possible to have hurricane strength winds 100 miles inland.
Posted by slackster
Houston
Member since Mar 2009
91836 posts
Posted on 9/7/17 at 7:09 am to
quote:

Irma looping radar update? TIA


No good radar loops at the moment, but here is some satellite imagery:

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